15188817

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 23998464

約数和(自身を除く): 8809647

約数列:

[1, 3, 7, 21, 61, 71, 167, 183, 213, 427, 497, 501, 1169, 1281, 1491, 3507, 4331, 10187, 11857, 12993, 30317, 30561, 35571, 71309, 82999, 90951, 213927, 248997, 723277, 2169831, 5062939, 15188817]

約数ペア:

[(1, 15188817), (3, 5062939), (7, 2169831), (21, 723277), (61, 248997), (71, 213927), (167, 90951), (183, 82999), (213, 71309), (427, 35571), (497, 30561), (501, 30317), (1169, 12993), (1281, 11857), (1491, 10187), (3507, 4331)]